consuming an alcoholic beverage shot that has been poured down the lower back of your bud/girlfriend, catching it in your mouth just before it descends into his/her butt crack. Exemplified by US embassy security in Kabul, Afghanistan.

Dude 1: Did you see Josh take a moon shot off Wes?
Dude 2: Yeah, he was a little low on the intake, and caught a dingleberry!

A close collection or group of stars. The word gets it's name from the term 'buck shot', which is a shotgun round that releases a multitude of tiny lead balls upon firing. In the same way, moon shot is very many stars or other heavenly bodies. Sometimes associated with a full moon.

noun; The couple looked up at the glistening sky, admiring the moon shot above them.

verb; The sky was so moon shot that one could see shadows in the dead of night.

adj. Describing a thing, person, etc, that is ridiculous/lame, but awesome/enjoyable at the same time. In other words, something that's so bad, it's actually good. It usually applies to something that is genuinely trying to be good, yet is ridiculously bad. So bad that it's enjoyable. While the appreciation for the quality of a certain thing is subjective, it must be universally enjoyed for its ridiculous/lame aspects to be considered moonshot.

Showgirls (the movie) is totally moonshot.
Sanjaya Malakar from American Idol gave a moonshot performance.